用于数字车钥匙的UWB技术实现的测距安全吗？

fresnelgang

针对UWB安全测距【1】的Ghost Peak攻击【2】，我们提出了两种方法【3】【4】：
（1）提出了基于动态时间规整（Dynamic Time Warping，DTW）算法的攻击检测算法，该检测算法判定目标为环境中存在/不存在攻击者；提出了连续性检查探测ghost peak，基于前期大量实测，建立Ghostp Peak攻击成功的统计模型；实现了基于自编码器的攻击检测，及基于信道互易性的抗攻击方案【3】。

（2）基于随机跳时的UWB抗攻击方案：仿真分析了跳时模式与抗攻击性能的关系，并开展了实验，验证了抗攻击方案的可行性【4】。

参考文献：
【1】"IEEE Draft Standard for Low-Rate Wireless Networks Amendment: Enhanced High Rate Pulse (HRP) and Low Rate Pulse (LRP) Ultra Wide-Band (UWB) Physical Layers (PHYs) and Associated Ranging Techniques," in IEEE P802.15.4z/D07, March 2020 , vol., no., pp.1-171, 10 March 2020.
【2】Leu P, Camurati G, Heinrich A, et al. Ghost Peak: Practical Distance Reduction Attacks Against HRP UWB Ranging[J]. arXiv preprint arXiv:2111.05313, 2021.
【3】Gou W,  Yu C,  Wu G. Resilient Random Time-hopping Reply against Distance Attacks in UWB Ranging[C]// IEEE Vehicular Technology Conference Spring (VTC-S),  Oslo, Norway, June 17-20, 2025. (arXiv:2406.06252)

【4】Gou W, Yu C, Ma J, et al.  Channel Reciprocity Based Attack Detection for Securing UWB Ranging by Autoencoder [C]// 2024 IEEE/CIC Int. Conf. Commun. in China, Hangzhou, China, Aug. 9-11, 2024: 509-514.